baber/WOPTO huggingface dataset:
Patent GB-225550-A (GB)
Title: An outfit case or holder for the taking of plaster impressions for use in dentistry
IPC: A61C9/00
Filed: 1924-11-24
Abstract: 225,550. Robinet, G. Nov. 28, 1923, [Convention date]. Fittings, internal.-A case is constructed and fitted so as conveniently to contain the various appliances and materials used in taking plaster impressions for dental purposes. In the form shown a pressed sheet-iron casing comprises two parts 1, 2 hinged together at 3 and provided with a latch 4. The upper portions of the parts 1, 2 are fitted with pegs 6 for the impression trays 7, and the part 1 is fitted with a flanged shelf 8 for a series of numbered travs 9. A drawer 10 for salt is secured to the under side of the shelf. Rubber cups 14 and an hermetically closing plaster container 11 are supported on a flanged plate 18 at the bottom of the part 1. The plate 12 is formed with an aperture 13 so that the container 11 may be pressed upwardly to release it. Spatulas 15 are held in oblique slots 16 in pieces 17 sliding on rails 18 so that they may be drawn out in front of the shelf 8. A mirror 19 is fitted to the outside of the part 2 of the casing. The form of the container, the. materials from which 't is made, and the arrangement of the various parts within the case may be varied. The Specification as open to inspection under Sect. 91 (3) (a) states also that the container may be of glass or in the form of a box or chest. This subject-matter does not appear in the Specification as accepted.
Patent GB-599662-A (GB)
Title: Improvements relating to guards for grinding wheels and the like
IPC: F16P1/02
Filed: 1945-10-25
Abstract: 599,662. Machinery guards. FIELDING, E. C. Oct. 25, 1945, No. 28132. [Class 80 (iv)] A guard for a grinding wheel, circular saw or like rotary cutting tool comprises two overlapping half covers 1 hinged upon a common pivot pin 4 and having a pin-and-slot connection 16, 18, with a relatively stationary plate 15, a screw 11 being provided to move the pivot pin 4 so that the pin-and-slot engagement causes the half covers to be opened out or closed in to suit the diameter of the tool 2 in use. As shown, the pin 4 is carried by a lug 9 which is slidable in guides 7 in the plate 15 and has a boss 10 through which the screw 11 is screwed. The slots 16 are open-ended so that when the half covers 11 are fully extended the pins 18 leave the slots 16 and the covers can then be gripped by handles 26 and folded upwardly to expose wholly the tool 2 to enable the latter to be changed. Means may be provided to render the drive for the tool ineffective when the pins 18 are just about to leave the slots 16. Such means may comprise a nut 24 on a screwed rod 22 rotated by gearing 20, 21, from the screw 11, the nut 24 at the end of its travel acting upon a trip switch to stop the driving motor. Push-button switches 27 for starting and stopping the motor may be mounted on the plate 15. The speed of rotation of the driving motor may be varied in accordance with the position of the half covers 1 by controlling the motor from the angular movement of the screwed rod 22,
Patent GB-1075275-A (GB)
Title: Magazine for aa stening device
IPC: B25C1/00
Filed: 1964-07-08
Abstract: 1,075,275. Fastener driving tools. V. D. ROOSA. July 8, 1964 [July 8, 1963], No. 28150/64. Heading B4C. A magazine (19, Fig. 1) for a fastener-driving machine, such as for driving staples or nails, comprises a housing (23, Fig. 4) adapted to support a number of staples 38 and a spring- loaded follower (30) slidably and pivotally movable within the housing and arranged to overpass the staples upon loading of the magazine and then abut the rearmost staple. The follower moves in a slot 28 formed in the housing (23) and is provided with an actuating portion 32 which, because of the slot allowing the follower to pivot, rides over the staples and abuts the rearmost staple on loading. In order to prevent the machine from being fired when not in engagement with a workpiece a work contacting member 39 is provided which is connected, via a projection 41 to a trigger (13, Fig. 1). When the trigger is pulled without being in contact with the work, a bar 48 on the member 39 abuts prongs 47 formed on a blocking member 50 secured to the machine. When the machine is pressed against a workpiece, the member 39 is raised so that the bar 48 passes over the prongs 47. The machine is also prevented from being fired when all the staples are used up by means of the follower 30 abutting the blocking member thereby lifting it so that a projection 49 thereon engages with the projection 41.
Patent GB-535972-A (GB)
Title: Improved driving mechanism for vessels
IPC: F42B19/20
Filed: 1939-10-18
Abstract: 535,972. Elastic-fluid turbines; torpedoes. FAIRWEATHER, H. G. C. (Allmanna Svenska Elektriska Aktiebolaget). Oct. 18, 1939, No. 28169. [Class 110 (iii)] A torpedo or other vessel is driven through propellers mounted on oppositely-rotating coaxial shafts, by a multi-stage turbine of the oppositely rotating type. The inlet of the driving fluid is axial and the outlet may be by way of the hollow shaft 8, Fig. 2, or it may be radially outwards into the chamber 1. End thrust may be taken up by bearings 33, 34, or, be balanced by disc-carried labyrinth packings. Such a packing may be provided on a disc 41, Fig. 4, which defines a passage between two turbine stages. Leakage through the labyrinth packings is passed to the turbine outlet.
Patent GB-773548-A (GB)
Title: Improvements in or relating to resonant coupling circuits
Inventor: NAPPIN DONALD
IPC: H03F3/191
Filed: 1954-10-01
Abstract: 773,548. Resonant coupling circuits. GENERAL ELECTRIC CO., Ltd. Sept. 30, 1955 [Oct. 1, 1954], No. 28357/54. Class 40 (8). [Also in Group XL (c)] A resonant coupling circuit comprises a parallel resonant circuit including an inductor 1 and capacitor 2, a second inductor 3 connected across a circuit having a low output impedance, e.g. the aerial circuit 5, 6, 7, and a third inductor 4 connected across a circuit having a low input impedance, e.g. a transistor amplifier stage 9, the arrangement being such that the mutual inductances between the inductor 1 and the inductors 3, 4 are each less than the self-inductance of the inductor 1 whilst the mutual inductance between the inductors 3 and 4 is negligible. Signals close to the resonant frequency are trans. ferred from the aerial to the transistor via the resonant circuit, the selectivity of which is not greatly affected by the low impedance of the output and input circuits. Since inductors 3 and 4 are not directly coupled there is no transfer of frequencies removed from the resonant frequency.
Patent GB-1145476-A (GB)
Title: Dehydrogenation of cycloalkanols
Inventor: RAFF PAUL
IPC: C07C45/00
Filed: 1966-06-24
Abstract: 1,145,476. Dehydrogenation of cycloalkanols. BADISCHE ANILIN- & SODA-FABRIK A.G. 24 June, 1966 [26 June, 1965], No. 28371/66. Heading C2C. Cycloalkanones having at least 8 carbon atoms in the ring are prepared by dehydrogenating the corresponding cycloalkanol, or mixtures containing cycloalkanols and cycloalkanones obtained by oxidation of a cycloalkane, in the presence of metallic cobalt as the catalyst. The process is preferably carried out in the liquid phase at temperatures between 190‹ and 230‹ C. The catalyst may be supported on, for example, alumina or silica gel, and may contain up to 10% by weight based on the metallic cobalt of an activator, e.g. palladium, zinc, lead, copper, chromium, boric acid or, preferably, manganese or phosphoric acid.
Patent GB-829618-A (GB)
Title: Process for producing estrone sulfate salt compounds
IPC: C07J75/00
Filed: 1958-09-04
Abstract: Alkali metal estrone sulphate salts are prepared by reacting estrone with at least one molar equivalent of sulphamic acid in the presence of pyridine at an elevated temperature, e.g. at a temperature between 70 DEG  and 105 DEG  C., separating and neutralizing the estrone3-sulphuric acid salt obtained with an alkali metal hydroxide, e.g. sodium or potassium hydroxide.  The neutralization step may be carried out at room temperature in the presence of pyridine.  A number of detailed examples are given.
Patent GB-442609-A (GB)
Title: A new or improved woven fabric
IPC: D03D23/00
Filed: 1934-10-05
Abstract: 442,609. Woven fabrics. WILLIAMS, D. R. H., Sunnydale, Edgerton, Huddersfield. Oct. 5,1934, No. 28505. [Class 142 (iv)] A fabric with alternating relatively elastic zones a, and binding or relatively inextensible zones b, comprises wefts c, d, e interweaving as shown with warp threads 1 to 5. The weave resembles a three and two twill except for pick e, which causes the ends 4 to be displaced and long loops to be formed between the warp threads 1, 2 in one group and the warp threads 1, 2 in an adjoining group. Any of the warp threads may be replaced by two finer threads. The back of the fabric is ribbed.
Patent GB-954827-A (GB)
Title: Improvements in or relating to heat shrinkable polyamide film
IPC: C08J7/048
Filed: 1962-07-24
Abstract: A heat shrinkable film having a low water vapour permeability comprises a biaxially stretched polyamide film coated on one or both sides with a thin film of a vinyl or olefinic polymer or copolymer. The vinyl or olefinic polymer or copolymer may be formed from vinyl chloride, vinylidene chloride, acrylonitrile, ethylene, propylene, isobutylene, butadiene and/or styrene.  The polymers or copolymers may be applied as a solution, aqueous dispersion or a melt, e.g. by extrusion.ALSO:Foodstuffs, e.g. meat, are packaged in a heat shrinkable film having a low water vapour permeability comprising a biaxially stretched polyamide film coated on one or both sides with a thin film of a vinyl or olefinic polymer or copolymer.  The vinyl or olefinic polymer or copolymer may be formed from vinyl chloride, vinylidene chloride, acrylanitrile, ethylene, propylene, isobutylene, butadiene and/or styrene.
Patent GB-1146739-A (GB)
Title: Process for dyeing and printing polymers and co-polymers of acrylonitrile
IPC: C09B27/00
Filed: 1966-06-24
Abstract: 1,146,739. Dyeing polyacrylonitrile and its copolymers. FARBWERKE HOECHST A.G. 24 June, 1966 [25 June, 1965], No. 28507/66. Heading D1B. Polyacrylonitrile articles containing at least 35% of acrylonitrile are dyed or printed with basic azo dyes of formula:- in which B is a benzene or naphthalene radical, R is a cyclammonium group linked by a monovalent bond to B, A is the radical of a coupling component and X- is an anion. The dyeing is preferaby at pH 2-7 and at temperatures of 70-125C. Copolymers of acrylonitrile with vinylidene chloride, vinyl chloride, vinylidene cyonide, methacrylates, methylvinylpyridine, vinyl acetate, N-vinylpyrolidone, styrene sulphonic acids and vinyl alcohol are referred too.
Patent GB-958002-A (GB)
Title: Improvements in or relating to electric cells
IPC: H01M2/16
Filed: 1962-07-24
Abstract: 958,002. Electric batteries. SOC. DES ACCUMULATEURS FIXES & DE TRACTION. July 24, 1962 [July 25, 1961; Jan. 5, 1962; Jan. 12, 1962], No. 28508/62. Heading H1B. A battery consists of electrodes 47a, 47b, formed from wires coated with an adherent or sintered on active material or a porous active material carrier subsequently impregnated with the active material. The ends of the wires 48, 48b project into a mass of steel wool &c. to form contacts. Details of covering the wires by drawing through a viscous mass of active material and by sintering are given.
Patent GB-1069145-A (GB)
Title: Improvements in or relating to sinks, wash hand basins, tubs or the like
IPC: E03C1/18
Filed: 1964-07-10
Abstract: 1,069,145. Wash basins and sinks. B. G. MURPHY. July 10, 1964 [July 12, 1963], No. 28548/64 Heading A4N. A wash basin or sink, for use in a caravan or boat, is provided with a sunken portion 25, in one corner and including the waste outlet, so that the washing water may be confined to this portion. An overhanging rim 7 prevents the water from being spilled, when the basin is tilted.
Patent GB-1345597-A (GB)
Title: Phosphorus-containing guanidine derivatives
IPC: C07F9/24
Filed: 1971-06-18
Abstract: 1345597 Phosphorylated guanidine derivatives PECHINEY UGINE KUHLMANN 18 June 1971 [19 June 1970] 28592/71 Headings C2C and C2P [Also in Division A5] The invention comprises phosphorylated guanidine derivatives of the general formula wherein Me is a cation, e.g. Na, NR 1 R 2  is the residue of a primary or secondary, aliphatic, araliphatic, carbocyclic, or heterocyclic amine having no ionic group and wherein R 1  and R 2  may be joined together to form a heterocyclic ring. They may be obtained either (a) by condensing a guanidine of the formula with a diaralkyl phosphite which may be substituted on the aryl nucleus in the presence of CCl 4  and an alkali and then subjecting the resulting diaralkyloxy-phosphoryl guanidine to catalytic hydrogenolysis in the presence of alkali, e.g. using palladium black as catalyst; or (b) by reacting a salt of an appropriate primary or secondary amine with a salt (e.g. Na salt) of a compound of the formula followed by catalytic hydrogenolysis of the product in the presence of alkali as in (1). The products are useful as hypoglycaemic agents and may be used in admixture with pharmaceutically acceptable diluents or carriers. N 1,1 -Tetramethylene guanidine sulphate is obtained by reacting pyrrolidine with S-methylisothiouronium sulphate. N 1,1  - (3 - oxapentylene)-guanidine sulphate is obtained similarly using morpholine instead of pyrrolidine.
Patent GB-389895-A (GB)
Title: Improvements in or relating to motor driven vehicles
IPC: B60K17/30
Filed: 1931-10-15
Abstract: 389,895. Road-vehicle spring suspension. KINNISON, C. H., 17, Berkeley Street, London, and HAWKES, W. D., 27, Rue des Varebois, Courbevoie, Seine, France. Oct. 15, 1931, No. 28629. Convention date, March 16. [Class 108 (ii).] In a motor vehicle in which the steering wheels are also driven, half-axle members 1 are pivoted to the stub axles 10 for steering movement only and are pivoted to the chassis frame by bearings extended longitudinally of the vehicle, such as two bearings 4, 5 spaced apart. A transverse spring 16 is secured at its centre by stirrups 17 to the gear-box 19 fixed to the frame and is connected at its ends to the axle end members 9 by shackles 18. Specification 333,929, [Class 79 (ii), Motor vehicles, Driving &c.], is referred to.
Patent GB-264278-A (GB)
Title: Method of and apparatus for the manufacture of food for dogs and other animals
IPC: A23K1/00
Filed: 1925-11-13
Abstract: 264,278. Molassine Co., Ltd., and Davis, H. C. Nov. 13, 1925. Steam cooking-apparatas.-In the manufacture of food for dogs and other animals the ingredients are inserted in a dry state through a hopper e into a mixer comprising a stationary jacketed cylinder b provided with a rotary central shaft g carrying stirrers j. Steam or other heating medium is passed into the jacket. One or more ring pipes l are arranged in the cylinder b and are provided with perforations m through which binding material is forced into the cylinder in the form of a fine mist. The binding material, which may consist of flour and water is injected from a supply pipe o by an air jet p. Other devices for introducing the binder may replace the ring pipes l. Low pressure steam preferably superheated to about 220‹ C. is introduced at one or more places to the cylinder through pipes q and passes through the apparatus in the reverse direction to the food material. The stirrers i are shaped to feed the material towards the outlet r the last stirrer j<1> being turned in the reverse direction to prevent the outlet being choked.
Patent GB-1057025-A (GB)
Title: Improvements in or relating to extrusion processes
Inventor: JACK JAMES
IPC: B29C48/10
Filed: 1962-07-25
Abstract: 1,057,025. Coating tubes. B.X. PLASTICS Ltd. July 18, 1963 [July 25. 1962], No. 28661/62. Heading B5A. In an extension process for coating internally and externally a plastics tube with films of plastics material the coating material is fed on to the surfaces of the tube just before or as it emerges from die orifice 10. The base plastics material is extruded via a plastics manifold 2 into an extrusion channel 3, the width of which is adjusted by bolts 6, and plastics coating material is fed through channels 8a and 8b to manifolds 7a and 7b and from there through extrusion channels 9a. 9b. The coated tube may be subsequently cooled and blown to orientate the base material. Examples of base materials are polypropylene, P.V.C., polystyrene, foamed polystyrene, polyethylene and of coating materials; polyethylene, polystyrene. plasticized P.V.C., A.B.S. polymers and various copolymers.
Patent GB-795007-A (GB)
Title: Method and plant for recovering the heat produced by chemical, physico-chemical and physical reactions
IPC: G21D5/12
Filed: 1955-10-07
Abstract: 795,007. Generating steam by reduction of pressure; superheating. ELECTRICITE DE FRANCE-SERVICE NATIONAL. Oct. 7, 1955 [Oct. 16, 1954], No. 28678/55. Classes 123(2) and 123(3) [Also in Group XXVI] In a power-generating system liquid is heated under pressure and then a fraction of it is subjected to a reduction in pressure to produce steam that is superheated by heat transferred from a further fraction of the heated liquid, the resulting superheated steam being used to drive a prime mover In the plant shown in Fig. 1, water is pumped by a pump 3 through a heat exchanger 2 where it is heated by hot gases f and discharged via a pipe 5. A part of the heated water is fed into an evaporator 6 where it is partially vaporized by a reduction in pressure, the steam so produced being superheated by a further part of the heated water flowing through pipe 7a into a superheater 7 and then led by a pipe 8 into a turbine 9. The water from the evaporator 6 is led by a pipe 11 into a second evaporator 12 where it is partially vaporized by a further reduction in pressure the resulting steam being superheated by the hot water in a second superheater 13 before passing through pipe 14 into the turbine 9. Similarly, the water from the evaporator 12 is vaporized in a third evaporator 16, superheated and fed by a pipe 18 into the turbine which drives an electric generator 10 and exhausts into a condenser 19 whose condensate is extracted by a pump 20 and delivered together with the water from evaporator 16 to the suction side of pump 3. The amount of superheating is controlled by valves 22, 23 and 24 controlling the amount of hot water pasing through the superheaters to the evaporators. In a modification, Fig. 3 not shown, having two evaporators and an H.P. and L.P. turbine, the superheated steam from the first evaporator is expanded in the H.P. turbine and then led into the second evaporator where it is superheated together with the steam produced by the partial vaporization of the water from the first evaporator and fed to the L.P. turbine.
Patent GB-151501-A (GB)
Title: Improvements relating to carburettors
IPC: F02M1/00
Filed: 1919-11-19
Abstract: 151,501. Tucker, J. D., and Tucker, E. M. Nov. 19, 1919. Spray carburettors.-Relates to carburettors of the kind wherein the mixing-chamber is divided into two portions by a suction-actuated valve which is connected to the fuel valve. According to the invention, the fuel nozzle is located in a lateraliy perforated tube, the upper end of which is flared outwardly and forms the seat of an annular conical valve, which is also lifted by suction to admit additional air, and by its conical formation directs such air downwards on to the fuel nozzle. As shown in Fig. 1, the two portions of the mixing chamber are separated by a conical valve 28 mounted on the spindle 27 of the needle valve 26 which controls the fuel supply to the jet 8, the upper end of the spindle working in a dashpot 31. The walls of the secondary mixing chamber are sloped so that the area around the valve' 28 'bears a constant relation to the amount of fuel drawn from the jet 8. Primary air, the supply of which is separately controllable, is directed on to the nozzle of the jet through orifices 20 in a sleeve 18 surrounding the jet. Increased speed of the engine opens by suction a spring-pressed annular conical valve 21 and admits more air into the mixing chamber 1. The seat 19 of the valve 21 is integral with the sleeve 18, and is arranged so that the additional air as it enters the chamber 1 is directed inwards on to the nozzle of the jet 8. The valve 21 is connected by wires 24 to a dash-pot piston 23. Two float chambers 3, 4 are provided to supply different fuels, in accordance with the setting of a four-way cock 6. The valve needle 2G is slightly cut away, as shown at 26<a>, Fig. 3, to allow passage of fuel to start the engine while the valve remains in its seat.
Patent GB-1429937-A (GB)
Title: Electrical capacitors
IPC: H01G4/236
Filed: 1972-06-21
Abstract: 1429937 Capacitors JOHNSON & PHILLIPS (CAPACITORS) Ltd 6 June 1973 [21 June 1972] 29059/72 Heading H1M [Also in Division H2] A capacitor is constructed with detachable, and accordingly readily replaceable insulated terminals, each terminal comprising porcelain bushing 24 having a through bore and a bottom portion passing through an aperture in cover 12 of the capacitor casing, a conductive stem 28 within the through bore having a plug portion 31 protruding beyond the bushing for insertion into a socket (Fig. 2, not shown) independently sesured within the casing, each socket being electrically connected to a respective electrode. As shown, the terminal is secured to the cover 12 by clamps 37, annular rib 25 of one bushing abutting sealing ring 36.
Patent GB-630872-A (GB)
Title: Improvements in or relating to drive transmission means
IPC: F16D43/10
Filed: 1946-09-30
Abstract: 630,872. Friction and ratchet clutches ; shaft couplings. HADDAN, R. (Funnell's Inventions, Ltd.). Sept. 30, 1946, No. 29130. [Class 80 (ii)] In drive transmission means for cream separators, churns, motor boats or other apparatus where an overrunning drive with gradual take-up is required, a driving pulley 4, Fig. 2, journalled on and rotating through one-way jamming rollers 9 the sleeve portion 3a of a driving clutch member 6, carries four eccentrically pivoted cylinders 12 which bear under centrifugal action on the member 6 to move it axially into engagement with a driven clutch member 5 on which the member 6 is freely journalled with axial play. A cork or like friction ring 8 is freely disposed between the clutching surfaces. The bearing sleeve 3a is a bronze or like bushing screwed to the member 6, which is of aluminium for light drives and iron for heavy drives. The centrifugal effect of the cylinders 12 may be varied by replacing them with cylinders of the same diameter but a different length. A plain bearing 7 takes the reaction thrust of the cylinders. The member 5 is secured to a shaft 2 by a split conical wedging ring 16. A bearing lubricating passage (not shown) is provided in the member 5 and seal 26 prevents oil reaching the friction surfaces. In a heavy duty version, a driven pulley 23 is freely journalled on a driving clutch member 21 which is journalled on, and is driven through one-way jamming rollers 20 from, a driving hub 17. A plain or, as shown, ball thrust bearing 25 is provided. The bearing surfaces are lubricated through passages 29, 30, an oil seal 31 being provided as before. The pulley 23 may be of cast iron and the friction ring 22 of asbestos, the other parts being of steel case-hardened and ground.